Dr Nayak & Dr Kumaran are triple board certified and specialize in treating patients with lung related problems (pulmonary medicine), sleep disorders (sleep medicine) and the critically ill such as those in the ICU (Critical Care medicine). They have undergone rigorous training and have extensive experience in these specialities and are ABIM board certified in every one these specialties. Common problems treated by them include COPD ( Chronic Obstructive Pulmonary Disease ) , Pulmonary Emphysema , asthma , pnuemonia , tuberculosis , lung cancer , sarcoidosis , cystic fibrosis , pulmonary hypertension , chronic bronchitis , occupational lung diseases , Sleep disorders like insomnia , sleep apnea , narcolepsy , restless leg syndrome.